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參數(shù)資料
| 型號(hào)： | SP9843KS |
| 英文描述： | 8-Bit Octal, 4-Quadrant Multiplying, BiCMOS DAC |
| 中文描述： | 8位八路，4象限乘法，BiCMOS工藝援 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 134K |
| 代理商： | SP9843KS |
259
SPECIFICATIONS
(continued)
V
DD
= +5V, All V
IN
X= +0V, V
REF
L = 1.625, T
A
= 25
°
C for commercial–grade parts; T
MIN
≤
T
A
= T
MAX
for industrial–grade parts; specifications apply to all
DAC's unless noted otherwise.)
PARAMETER
MIN.
TYP.
MAX.
DAC OUTPUTS
Voltage Range
0
V
DD
– 1.5
Output Current
±
10
±
15
Capacitive Load
47,000
DIGITAL OUTPUT
Logic High
3.5
Logic Low
0.4
POWER REQUIREMENTS
Power Supply Range
4.75
5.00
5.25
Positive Supply Current
14
Power Dissipation
70
ENVIRONMENTAL AND MECHANICAL
Operating Temperature Range
Commercial
0
+70
Industrial
–40
+85
Storage Temperature Range
–65
+150
Package
SP9840N
24–pin, 0.3" Plastic DIP
SP9840S
24–pin 0.3" SOIC
SP9843S
20–pin, 0.3" SOIC
UNIT
CONDITIONS
V
mA
pF
R
= 5k
, V
DD
= 4.75V
Note 7
No Oscillation
V
V
I
OH
= –0.4mA
I
OL
= 1.5mA
V
mA
mW
To rated specifications
PR = LOW
PR = LOW
°
C
°
C
°
C
Note 8
Notes:
1.
2.
3.
Code dependent
All V
(x) = GND; D = 55
Offset binary refers to the output voltage with respect to the signal ground at V
. For a positive
V
(x), the output will increase from negative fullscale to V
to positive (fullscale–1 LSB) as the
input code is incremented from 0 to 128 to 255. Note that when V
(x) is tied to ground and V
is
driven to +1.625V, as in the production tests above, then the resulting DC at V
OUT
(x) will decrease
from +2V
to V
/128 as the code is increased from 00
H
to FF
H
, due to the V
IN
(x) input being tied
negative with respect to V
.
The op amp limits linearity for V
<100mV. When V
(x) is driven above ground such that the
output voltage remains above 100mV, then the linearity specifications apply to all codes. For
V
=1.625V, and V
(x)=GND, codes 248 through 255 are not included in differential or integral
linearity tests. Integral and differential linearity are computed with respect to the best fit straight line
through codes 0 through 248.
SP9840 is measured between adjacent channels, F=100kHz. SP9843 is measured between
adjacent pairs, F=100kHz.
SP9843 only; measured between channels with shared input; D = 7F
H
to 80
H
V
< 10mV, V
= 1.625V, PR = LOW.
For plastic DIP, consult factory
4.
5.
6.
7.
8.
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